GRADE 1 WORKSHEETS: Addition.
Adding whole tens (2 addends). Problems with answers.
Additional resources for grade 1 students
Download grade 1 worksheets:
"Adding whole tens - 2 addends" (PDF).
Examples of the worksheets:
Page 1. The main worksheet.
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Page 2. The worksheet with answers.
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GRADE 1 WORKSHEETS. ADDITION.
Page 1.Data: __________________ Name: _______________________________ Score:__________ | ||||||||||||||||
| Adding whole tens (2 addends). | ||||||||||||||||
| 50 | + | 20 | = | __ | 80 | + | 30 | = | __ | 20 | + | 40 | = | __ | ||
| 20 | + | 20 | = | __ | 50 | + | 10 | = | __ | 40 | + | 90 | = | __ | ||
| 50 | + | 80 | = | __ | 40 | + | 90 | = | __ | 60 | + | 80 | = | __ | ||
| 90 | + | 40 | = | __ | 90 | + | 80 | = | __ | 70 | + | 90 | = | __ | ||
| 70 | + | 20 | = | __ | 80 | + | 30 | = | __ | 80 | + | 50 | = | __ | ||
| 80 | + | 90 | = | __ | 40 | + | 40 | = | __ | 80 | + | 20 | = | __ | ||
| 40 | + | 10 | = | __ | 50 | + | 40 | = | __ | 60 | + | 70 | = | __ | ||
| 30 | + | 80 | = | __ | 40 | + | 70 | = | __ | 70 | + | 60 | = | __ | ||
| 30 | + | 40 | = | __ | 70 | + | 10 | = | __ | 60 | + | 30 | = | __ | ||
| 70 | + | 80 | = | __ | 50 | + | 30 | = | __ | 50 | + | 60 | = | __ | ||
| 20 | + | 10 | = | __ | 70 | + | 30 | = | __ | 50 | + | 30 | = | __ | ||
| 90 | + | 30 | = | __ | 60 | + | 60 | = | __ | 10 | + | 50 | = | __ | ||
GRADE 1 WORKSHEETS. ADDITION.
Page 2.Data: __________________ Name: _______________________________ Score:__________ | ||||||||||||||||
| Adding whole tens (2 addends). | ||||||||||||||||
| 10 | + | 70 | = | __ | 20 | + | 30 | = | __ | 90 | + | 10 | = | __ | ||
| 20 | + | 50 | = | __ | 60 | + | 10 | = | __ | 20 | + | 90 | = | __ | ||
| 80 | + | 70 | = | __ | 50 | + | 90 | = | __ | 30 | + | 10 | = | __ | ||
| 20 | + | 30 | = | __ | 90 | + | 30 | = | __ | 70 | + | 70 | = | __ | ||
| 10 | + | 40 | = | __ | 70 | + | 20 | = | __ | 30 | + | 40 | = | __ | ||
| 80 | + | 70 | = | __ | 10 | + | 60 | = | __ | 50 | + | 80 | = | __ | ||
| 10 | + | 50 | = | __ | 40 | + | 40 | = | __ | 40 | + | 90 | = | __ | ||
| 60 | + | 30 | = | __ | 60 | + | 60 | = | __ | 40 | + | 60 | = | __ | ||
| 90 | + | 20 | = | __ | 20 | + | 20 | = | __ | 10 | + | 40 | = | __ | ||
| 70 | + | 40 | = | __ | 90 | + | 30 | = | __ | 40 | + | 50 | = | __ | ||
| 30 | + | 60 | = | __ | 70 | + | 80 | = | __ | 20 | + | 20 | = | __ | ||
| 10 | + | 90 | = | __ | 40 | + | 20 | = | __ | 20 | + | 60 | = | __ | ||
GRADE 1 WORKSHEETS. ADDITION.
Page 3.Data: __________________ Name: _______________________________ Score:__________ | ||||||||||||||||
| Adding whole tens (2 addends). | ||||||||||||||||
| 10 | + | 10 | = | __ | 40 | + | 20 | = | __ | 40 | + | 40 | = | __ | ||
| 90 | + | 30 | = | __ | 50 | + | 50 | = | __ | 30 | + | 50 | = | __ | ||
| 80 | + | 80 | = | __ | 70 | + | 30 | = | __ | 90 | + | 60 | = | __ | ||
| 10 | + | 20 | = | __ | 60 | + | 40 | = | __ | 50 | + | 30 | = | __ | ||
| 80 | + | 10 | = | __ | 60 | + | 60 | = | __ | 40 | + | 10 | = | __ | ||
| 20 | + | 50 | = | __ | 50 | + | 30 | = | __ | 10 | + | 90 | = | __ | ||
| 10 | + | 10 | = | __ | 70 | + | 10 | = | __ | 80 | + | 20 | = | __ | ||
| 40 | + | 10 | = | __ | 90 | + | 30 | = | __ | 30 | + | 10 | = | __ | ||
| 90 | + | 60 | = | __ | 10 | + | 20 | = | __ | 30 | + | 70 | = | __ | ||
| 30 | + | 20 | = | __ | 80 | + | 40 | = | __ | 30 | + | 10 | = | __ | ||
| 80 | + | 80 | = | __ | 10 | + | 80 | = | __ | 80 | + | 90 | = | __ | ||
| 10 | + | 50 | = | __ | 40 | + | 30 | = | __ | 10 | + | 50 | = | __ | ||
GRADE 1 WORKSHEETS. ADDITION.
Page 4.Data: __________________ Name: _______________________________ Score:__________ | ||||||||||||||||
| Adding whole tens (2 addends). | ||||||||||||||||
| 90 | + | 40 | = | __ | 70 | + | 20 | = | __ | 60 | + | 30 | = | __ | ||
| 10 | + | 10 | = | __ | 10 | + | 10 | = | __ | 90 | + | 40 | = | __ | ||
| 70 | + | 80 | = | __ | 10 | + | 90 | = | __ | 90 | + | 80 | = | __ | ||
| 50 | + | 80 | = | __ | 30 | + | 20 | = | __ | 90 | + | 50 | = | __ | ||
| 80 | + | 40 | = | __ | 40 | + | 60 | = | __ | 40 | + | 20 | = | __ | ||
| 80 | + | 40 | = | __ | 60 | + | 40 | = | __ | 40 | + | 70 | = | __ | ||
| 60 | + | 70 | = | __ | 50 | + | 80 | = | __ | 70 | + | 20 | = | __ | ||
| 40 | + | 50 | = | __ | 80 | + | 30 | = | __ | 40 | + | 40 | = | __ | ||
| 10 | + | 50 | = | __ | 80 | + | 90 | = | __ | 20 | + | 70 | = | __ | ||
| 90 | + | 30 | = | __ | 30 | + | 50 | = | __ | 30 | + | 90 | = | __ | ||
| 50 | + | 90 | = | __ | 50 | + | 50 | = | __ | 20 | + | 50 | = | __ | ||
| 10 | + | 90 | = | __ | 60 | + | 40 | = | __ | 50 | + | 20 | = | __ | ||
GRADE 1 WORKSHEETS. ADDITION.
Page 5.Data: __________________ Name: _______________________________ Score:__________ | ||||||||||||||||
| Adding whole tens (2 addends). | ||||||||||||||||
| 30 | + | 70 | = | __ | 40 | + | 30 | = | __ | 60 | + | 30 | = | __ | ||
| 80 | + | 30 | = | __ | 60 | + | 20 | = | __ | 30 | + | 20 | = | __ | ||
| 80 | + | 30 | = | __ | 90 | + | 90 | = | __ | 20 | + | 30 | = | __ | ||
| 10 | + | 70 | = | __ | 50 | + | 70 | = | __ | 90 | + | 50 | = | __ | ||
| 10 | + | 20 | = | __ | 70 | + | 60 | = | __ | 10 | + | 90 | = | __ | ||
| 10 | + | 20 | = | __ | 50 | + | 20 | = | __ | 30 | + | 40 | = | __ | ||
| 80 | + | 80 | = | __ | 40 | + | 40 | = | __ | 70 | + | 30 | = | __ | ||
| 70 | + | 60 | = | __ | 40 | + | 30 | = | __ | 70 | + | 20 | = | __ | ||
| 70 | + | 90 | = | __ | 90 | + | 70 | = | __ | 10 | + | 70 | = | __ | ||
| 10 | + | 40 | = | __ | 40 | + | 70 | = | __ | 90 | + | 80 | = | __ | ||
| 90 | + | 20 | = | __ | 90 | + | 30 | = | __ | 10 | + | 60 | = | __ | ||
| 30 | + | 50 | = | __ | 30 | + | 30 | = | __ | 70 | + | 60 | = | __ | ||
GRADE 1 WORKSHEETS. ADDITION. ANSWERS.
Page 1.| Adding whole tens (2 addends). | ||||||||||||||||
| 50 | + | 20 | = | 70 | 80 | + | 30 | = | 110 | 20 | + | 40 | = | 60 | ||
| 20 | + | 20 | = | 40 | 50 | + | 10 | = | 60 | 40 | + | 90 | = | 130 | ||
| 50 | + | 80 | = | 130 | 40 | + | 90 | = | 130 | 60 | + | 80 | = | 140 | ||
| 90 | + | 40 | = | 130 | 90 | + | 80 | = | 170 | 70 | + | 90 | = | 160 | ||
| 70 | + | 20 | = | 90 | 80 | + | 30 | = | 110 | 80 | + | 50 | = | 130 | ||
| 80 | + | 90 | = | 170 | 40 | + | 40 | = | 80 | 80 | + | 20 | = | 100 | ||
| 40 | + | 10 | = | 50 | 50 | + | 40 | = | 90 | 60 | + | 70 | = | 130 | ||
| 30 | + | 80 | = | 110 | 40 | + | 70 | = | 110 | 70 | + | 60 | = | 130 | ||
| 30 | + | 40 | = | 70 | 70 | + | 10 | = | 80 | 60 | + | 30 | = | 90 | ||
| 70 | + | 80 | = | 150 | 50 | + | 30 | = | 80 | 50 | + | 60 | = | 110 | ||
| 20 | + | 10 | = | 30 | 70 | + | 30 | = | 100 | 50 | + | 30 | = | 80 | ||
| 90 | + | 30 | = | 120 | 60 | + | 60 | = | 120 | 10 | + | 50 | = | 60 | ||
GRADE 1 WORKSHEETS. ADDITION. ANSWERS.
Page 2.| Adding whole tens (2 addends). | ||||||||||||||||
| 10 | + | 70 | = | 80 | 20 | + | 30 | = | 50 | 90 | + | 10 | = | 100 | ||
| 20 | + | 50 | = | 70 | 60 | + | 10 | = | 70 | 20 | + | 90 | = | 110 | ||
| 80 | + | 70 | = | 150 | 50 | + | 90 | = | 140 | 30 | + | 10 | = | 40 | ||
| 20 | + | 30 | = | 50 | 90 | + | 30 | = | 120 | 70 | + | 70 | = | 140 | ||
| 10 | + | 40 | = | 50 | 70 | + | 20 | = | 90 | 30 | + | 40 | = | 70 | ||
| 80 | + | 70 | = | 150 | 10 | + | 60 | = | 70 | 50 | + | 80 | = | 130 | ||
| 10 | + | 50 | = | 60 | 40 | + | 40 | = | 80 | 40 | + | 90 | = | 130 | ||
| 60 | + | 30 | = | 90 | 60 | + | 60 | = | 120 | 40 | + | 60 | = | 100 | ||
| 90 | + | 20 | = | 110 | 20 | + | 20 | = | 40 | 10 | + | 40 | = | 50 | ||
| 70 | + | 40 | = | 110 | 90 | + | 30 | = | 120 | 40 | + | 50 | = | 90 | ||
| 30 | + | 60 | = | 90 | 70 | + | 80 | = | 150 | 20 | + | 20 | = | 40 | ||
| 10 | + | 90 | = | 100 | 40 | + | 20 | = | 60 | 20 | + | 60 | = | 80 | ||
GRADE 1 WORKSHEETS. ADDITION. ANSWERS.
Page 3.| Adding whole tens (2 addends). | ||||||||||||||||
| 10 | + | 10 | = | 20 | 40 | + | 20 | = | 60 | 40 | + | 40 | = | 80 | ||
| 90 | + | 30 | = | 120 | 50 | + | 50 | = | 100 | 30 | + | 50 | = | 80 | ||
| 80 | + | 80 | = | 160 | 70 | + | 30 | = | 100 | 90 | + | 60 | = | 150 | ||
| 10 | + | 20 | = | 30 | 60 | + | 40 | = | 100 | 50 | + | 30 | = | 80 | ||
| 80 | + | 10 | = | 90 | 60 | + | 60 | = | 120 | 40 | + | 10 | = | 50 | ||
| 20 | + | 50 | = | 70 | 50 | + | 30 | = | 80 | 10 | + | 90 | = | 100 | ||
| 10 | + | 10 | = | 20 | 70 | + | 10 | = | 80 | 80 | + | 20 | = | 100 | ||
| 40 | + | 10 | = | 50 | 90 | + | 30 | = | 120 | 30 | + | 10 | = | 40 | ||
| 90 | + | 60 | = | 150 | 10 | + | 20 | = | 30 | 30 | + | 70 | = | 100 | ||
| 30 | + | 20 | = | 50 | 80 | + | 40 | = | 120 | 30 | + | 10 | = | 40 | ||
| 80 | + | 80 | = | 160 | 10 | + | 80 | = | 90 | 80 | + | 90 | = | 170 | ||
| 10 | + | 50 | = | 60 | 40 | + | 30 | = | 70 | 10 | + | 50 | = | 60 | ||
GRADE 1 WORKSHEETS. ADDITION. ANSWERS.
Page 4.| Adding whole tens (2 addends). | ||||||||||||||||
| 90 | + | 40 | = | 130 | 70 | + | 20 | = | 90 | 60 | + | 30 | = | 90 | ||
| 10 | + | 10 | = | 20 | 10 | + | 10 | = | 20 | 90 | + | 40 | = | 130 | ||
| 70 | + | 80 | = | 150 | 10 | + | 90 | = | 100 | 90 | + | 80 | = | 170 | ||
| 50 | + | 80 | = | 130 | 30 | + | 20 | = | 50 | 90 | + | 50 | = | 140 | ||
| 80 | + | 40 | = | 120 | 40 | + | 60 | = | 100 | 40 | + | 20 | = | 60 | ||
| 80 | + | 40 | = | 120 | 60 | + | 40 | = | 100 | 40 | + | 70 | = | 110 | ||
| 60 | + | 70 | = | 130 | 50 | + | 80 | = | 130 | 70 | + | 20 | = | 90 | ||
| 40 | + | 50 | = | 90 | 80 | + | 30 | = | 110 | 40 | + | 40 | = | 80 | ||
| 10 | + | 50 | = | 60 | 80 | + | 90 | = | 170 | 20 | + | 70 | = | 90 | ||
| 90 | + | 30 | = | 120 | 30 | + | 50 | = | 80 | 30 | + | 90 | = | 120 | ||
| 50 | + | 90 | = | 140 | 50 | + | 50 | = | 100 | 20 | + | 50 | = | 70 | ||
| 10 | + | 90 | = | 100 | 60 | + | 40 | = | 100 | 50 | + | 20 | = | 70 | ||
GRADE 1 WORKSHEETS. ADDITION. ANSWERS.
Page 5.| Adding whole tens (2 addends). | ||||||||||||||||
| 30 | + | 70 | = | 100 | 40 | + | 30 | = | 70 | 60 | + | 30 | = | 90 | ||
| 80 | + | 30 | = | 110 | 60 | + | 20 | = | 80 | 30 | + | 20 | = | 50 | ||
| 80 | + | 30 | = | 110 | 90 | + | 90 | = | 180 | 20 | + | 30 | = | 50 | ||
| 10 | + | 70 | = | 80 | 50 | + | 70 | = | 120 | 90 | + | 50 | = | 140 | ||
| 10 | + | 20 | = | 30 | 70 | + | 60 | = | 130 | 10 | + | 90 | = | 100 | ||
| 10 | + | 20 | = | 30 | 50 | + | 20 | = | 70 | 30 | + | 40 | = | 70 | ||
| 80 | + | 80 | = | 160 | 40 | + | 40 | = | 80 | 70 | + | 30 | = | 100 | ||
| 70 | + | 60 | = | 130 | 40 | + | 30 | = | 70 | 70 | + | 20 | = | 90 | ||
| 70 | + | 90 | = | 160 | 90 | + | 70 | = | 160 | 10 | + | 70 | = | 80 | ||
| 10 | + | 40 | = | 50 | 40 | + | 70 | = | 110 | 90 | + | 80 | = | 170 | ||
| 90 | + | 20 | = | 110 | 90 | + | 30 | = | 120 | 10 | + | 60 | = | 70 | ||
| 30 | + | 50 | = | 80 | 30 | + | 30 | = | 60 | 70 | + | 60 | = | 130 | ||